Milking-machine.



L. HOLT. MILKIHG MACHINE. APPLICATION FILED JULY 16, 1908.

PatentedJune 8, 1909.

2 SHEETS-SHEET 1 Qi g W L HOLT MILKING MACHINE.

APPLICATION FILED JULY 1a, 1908.

' Patented June 8, 1909.

2 SHEETS-SHEET 2.

LAFAYETTE HOLT, Ol BURLINGTON, NORTH OARULI'NA.

lVlILKING-MAGHINE Specification oi iaetters Patent.

Eatented June 8,1909;

Application filed July 16, 1908. Serial No. -13,8L--t..

To. all whom it may concern:

. Be it known that LLArAYn'rrE Hour, a citizen of the United States, residing at Burlington, in the county of Alamance and State. ofiNoI-th Carolina, have invented a a new and. useful Milking-ll/lachine of which 5 the following .isa specification,

' This invention relates to cozvv milkingmafi chines and has for its principal object to provide a Inechanism of simple construction whereby the milk maybe Withdrawn from the animal by theexercise of gradual pressure lengthwise of the teat thus imitating the natural action of the calf, A furtherobjectuof theinvention is to prov de; aimachiner of this type which may' be movably supported against thefudder of .the:cow,-: and which: may be manipulated at any speed for thepu-rposel of ithdrawing the milk. i r

A still further object of the invention-is to provide a device of this character in which the milk is drawn into a closed rei oep'tacle adjacent .the udder and so elevated thatthemilkmay fiow by gravity through woonveyingtub toa pail located at a safe distance-w IA still r'urther object oi; the invention to provide ajmachine of this type which' may be readily adjusted to suit'th'e height of diiferent animals, and further to so arrange the interior mechanism as to permit its ready removal so that the elevated vessel may be .used as a receptacle for milk withdrawnby hand.

- -With: these and other objects in view,-as

will -more' tully hereinafter appear-, the in-.

ventiorr 1 consists in certain novel. features of construction 1' and arrangement of parts,

hereinaftertully --descr-ihed, illustrated in the accompanyingdrawings; and particu-j larly pointed-out in the appended-ciaim's, it

being understood that various changesdn the form, proportions, size and minor? details of the structurev may be made'without departing from the spirit or sacrificing any.-

oi. the advantages of the invention.

In the accompanying drawingsz-Figure 1 is 'a-p'er'spectiveview of a cow milking machine constructedin -accordance with the invention. Fig-2 is a sectional elevation of the upper portion of-the same. Fig. 3 is a vertical s'ec'tion at aright angle to Fig. 2 being drawn to an enlarged scale. Fig. 4: is a detail sectionalyiew through one of the vertically adjustable supports. Fig.- 5 is a .detail perspective view of the removable pressure plate. Fig. 6.is a detail view of .oneof the roller supporting brackets.

Similar numeralsroi? reference are em-. v:ployed to indicate. corresponding parts .1 throughout the several figures of the draw: fings.

The machine proper is supportedxon a telescopic standard comprising an upper rod .01 the rod. Surrounding the standard is a --lielical compression spring. 12 the upper end ofwhich bears against a block 13 at the top 0f the rod while the lower endof the spring .f is arrangedto iitwithin any one of a series .and the stress exerted by the spring.

for the reception. of vertical bars 19. The Flower ends of the bars are permanently se- .cured to the opposite sides of-the-block and the casing may be raised and lowered on the .bars ior the purpose of securing the desired 9 vertical adj ustment, and then lOCkBdiill place by a spring tongueQO that iscarried at one i-side of the casing and is arrangedto enter openings 21 formed in one of the side bars 19.

The ca'sihg isarranged for the reception of a-reinovable frame comprising a pair of side plates 25 whichare permanently connected by a spacing block 26 and securing screws QY Jas-shoWn in Fig. Imthe lower portion of the fraineplates are beani-ng. openfrom any suitable source of power, a handled operating crank 33 beju'ig shown in the-pres- 1cnt instance and this, is grasped h'y the-right hand of the operator while thel'e fit. hand 'th at is secured to the outer wall of the casing pro per.

In the upper portionof each ofthe-fraine plates- 25 is a vertical slotBT-arrahge'd for two rollers 31 and39 asses a belt 40 formed of any suitable maternal. The oppositeends of the sh-it't 38 are mounted in. hearings formed in bracluats 4 1 that are supportedibly;

.10 and a tube ll arranged. for thereception d Arranged above the block'l3 is a casing #17 the. opposite sides of which are provided: With vertical guides 18 that are arranged? ings for the reception of a shaft 30 earrying Jof openings 1a tormed in the tube to permit I :adjustnient of the heightof the standard Wall of the-casing, and. maybe operated grasps a steadying or supporting handle 35 the passageof the end portions of a shaft 38.. This shaft-carries a' roller 39, and over the I illounted on the belt are brackets 45 each in theform of a metallic plate the opposite ends of which are turned to form ears std that are perforated for the reception of small spindles 457 and these spindles carry teat en; gaging rollers 48 that are provided with coverings d9 formed of some yieldable material. The brackets are connected with the belt at intervals and preferably by loose connections such as stitchings or thelike, as indicated at 50, the stitches pass through the belt and through the openings formed in the plates asshown in Fig. 6 so that when. necessary the brackets may be readily removed and a larger or smaller number employed and spaced at different distances from each other to suit the physical characteristics of the animal.

llun'g loosely within the casing is a yieldable pressure plate 53 that is arranged at one side of the descending run of the belt, and which normally pressed toward the rollers on this side of the belt by means of one or more springs 5d, the springs being preferably secured "to the (interface of the plate and being removable tl'ierewith. To the up per edge of. the plate secured a flexible guard 56 whichin connection with a flexible llap forms a covering for'the top of the casing and the edge this covering rests on the upper edges of the frame plates 25, the l-atter'being curved in the manner shown in Figs. 1 and 2 in order to lit snugly against the udder. In the guard plate 56' is an opening 58 through which the teat is introllllCGd, or by slightly increasing the size of the machine the plate may have two openings for the reception of two teats. at the same time.

In operation the machine is adjusted to position beneath the udderand lifted up into place the teat being introduced through the opening 58' and the top of the machine held yieldably against the udder. The operator grasps the steadying handle/35 in the left hand and manipulates the crank 33 with the other hand, the belt 40 is'move'd and the rollers l8 are brought successively into engagement with the base of the teat forcing the same against the pressure plate 53. The roller sweeps down the side of the teat from the base to the end, and when one roller -1noves from engagement with the teat the following roller strikes against the base so .that there is alternate squeeze and release continuing through the length of the teat in imitation of the natural action of the calf and asusually practiced in hand milkin The milk flows down to the bottom of the casing and thence is conducted away by a tube 00 to a. milk pail or other receptacle.

In cases where it is impracticable to use the pressure rollers the roller carrying frame and the plate may both be lifted out from the top of the receptacle and the latter held up in )osition for the purpose of receiving the mi k as it is withdrawn by the right hand of the operator.

Asall of the w rking parts may be readily removed there is but little diiiiculty in properly cleansing the same and thus maintain-- the apparatus in hygienic lVhat is claimed is- -1. In milking apparatus, a casing, a. pressure plate detaohably supported within the casing, a yieldable covering secured to the upper edge of the plate and provided. with a teat receiving opening, a frame mounted. loosely in the casing, rolls supported by the frame, a belt extending over said rolls, said belt being backed by the frame and held from inward movement, and teatengaging condition.

pressure rollers carried by said belt.

2. In a cow milking apparatus, a casing. a removable frame arranged within the easing said frame having a pair of vertical slots, an operative shaft journaled in the frame, a driving roller on the shaft, :1 sec ond roller, a shaft carrying the same and extending through the slots, adj brackets forming bearings for the of said second shaft, a liexiblc belt i by the rollers, pressure rollers suppl the'belt, a closing llap carried by the a and arranged to extend over a. POITlilOll of A open top of the same, a pr nre plate dctachably mounted within the casing, sprin secured to the plates andengaging against the inner wali. of the casing, and a. gmird carried by said plate and provided with a teat receiving opening.

3. In a cow milking apparatus, teat engaging members, casing supporting thev same, and an elevating spring for yieldably holding the apparatus against the udder,

said spring being adjustable to its tension irrespective of the height of the :nuvaratus.

4. In a cow milking apparatus, a (cat engaging member, a supporting standard, and

. a spring tending to elevate the teat engaging member and hold the same yieldabiy against the udder, said spring being adjustably connected to the standard to vary its tension.

In a cow milking apparatus, a teat engaging member, a. lelcsm no supporting standard therefor. and a. sy 'ing tending to separate the sections of the standard and hold the device yieldably against the udder. said standard having means for the adjust mont of the tension of the spring.

6. In apparatus of the class described, a telescopic standard, the tubular men'ibcr of the standard having a series of opcnii'igs. a spring encircling the standard and having one end adapted to fit \Vitnin any one of the.

openings, a block secured to the upper end iii) ill)

of the standard and against which the spring leading from the lower portion of the easbears, a pair of bars secured to said block ing, and a steadying' handle for the entire one of the said bars having a series of opencasing.

ings, a casing having guides for the recep- In testimony that I claim the foregoing 15 tion of the bars, a spring latch carried by the I as my own, I have hereto aflixed my s1gnacasing and arranged to engage in any one of I ture .in the presence of two Witnesses.

the bar openings and locking means Within the casing. 7 AYETTE HQLT.

'7. In apparatus of the class described, a Witnesses: yi'eldably supported casing arranged to en- A. C. MITCHELL, gage against the udder, and a discharge tube G. W. HOFMAN. 

